2021 MERCEDES-BENZ C-CLASS COUPE warning

Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions #
Deact ivat eESP ®
onl yfo ras long asthesituation requ ires.
If ES P®
can notbe act ivat ed, ESP®
is malfun ctionin g. #
Have ESP ®
ch eckedimmediat elyat aqu alif ied spec ialistwo rkshop. #
Obser vetheno teson deactiv atingESP®
(/ page15 7). Ti
re pres sur emoni tor Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
0077 Ti re pressur emonit oring
sy stem warning lam p *The
yello wtirepr essur emon itor wa rning lam p(pr essur eloss/ malfun ction) flashes forapp roxima tely one minu te and
th en remains lit.
or
The yello wtirepr essur emon itor ing system warning lam p(pr essur eloss/ malfun ction) islit.
Th eye llo wtirepr essur emonit orwa rning lam p(pr essur eloss/ma lfunction)flashes forappr oxima tely one
min uteand then remain slit:
The tirepr es su re monit orismalfu nctioning. &
WARNIN GThe reisarisk ofan accident ifth etir epr essur emonit oring system ismalfunct ioning
The tirepr essur emonit oring system cann otissue awa rning ifth er eis pressur eloss inone ormor eof thetir es. Displa
ymessag esand warning/ indic ator lam ps 46
1

Wa
rning/indicat orlam p
Possible causes/conseq uencesand0050 0050
Solutions
Ti re swit hinsuf ficie nttirepr ess urema yim pa irth edr iving charact eristic sas wellas steer ing and braking. #
Have thetir epr essur emonit oring system checkedat aqu alif ied spec ialistwo rkshop. The
yello wtirepr essur emonit oring system warning lam p(pr essur eloss/ma lfunction)islit:
The tirepr essur emon itor ing system has detected tirepr ess urelos sin at leas tone ofthetir es. &
WARNIN GRisk ofan acci dent dueto insuf ficie nttirepr ess ure
R The tires can burst.
R The tires can wearexc essiv elyand/or unevenly.
R The driving charact eristic sas wellas thesteer ing and braking maybe greatl yim pair ed.
Yo uco uld then lose control of theve hicle. #
Obser vethere comme ndedtirepr ess ures. #
Adjus tth etir epr essur eif neces sary. #
Stop theve hicle inaccor dance withth etra ffic con dition s. #
Chec kth etir epr essur eand thetir es. 462
Displa ymessag esand warning/ indic ator lam ps

0075
Front LeftMalfunction Service
Re quired (exa mp le)...............................4 02
006F Front LeftSeat Backres tNo t
Lo cked (exa mp le).. .................................4 12
00B6 FuelLevelLo w..............................4 15
00B6 GasCap Loose.............................. 415
0025 Inoper ativeSee Oper ator's
Manua l....... ...........................................4 34
00E5 Inoper ativeSee Oper ator's
Manu al........ .......................................... 435
007A Inoper ativeSee Oper ator's
Manu al........ .......................................... 436
0053 Inoper ative......... .......................... 438
: Intell.Ligh tSy stem Inoperativ e....408
Á KeyNo tDe tected (red displ ay
messa ge)<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011001100110011> 406
Á KeyNo tDe tected (whit edis‐
pl ay messa ge)<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 405
0075 LeftSid eCu rtain Airbag Mal‐
fun ction ServiceRe quired (Exam ple) .....4 02 ¢
Lowe ring............. <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> 431
ä Malfunctio nDr ive at Ma x.50
mp h<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 430
: Malfunction SeeOperato r’s
Manual... ............................................... 407
Á ObtainaNe wKe y<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> 405
ç Off<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 425
00D9 Off<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011> 423
0049 Parking Brak eSee Opera tor's
Manua l......... ..........................................4 18
0077 Please Correct Tire Pressur e... ..... 442
0049 Please Release Parking Brak e.. .....4 21
006F Rear Lef tBac kres tNo t
La tched (exa mp le).................................4 12
Á Replace KeyBat tery <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 405
003D SeeOperator's Manua l......... .......4 39
0075 SRSMalfunction Service
Re quired ................................................ 402
Ù Steer ing Malfunct ionIncreased
Ph ysical Effort See Operator's Manua l... 410 Ù
Steer ing Malfunct ionStop
Immediat elySee Oper ator's Manual ...... 411
003D Stop Vehicle LeaveEngi neRun‐
ning <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011>......440
003D Stop Vehicle SeeOper ator's
Manual... ............................................... 439
00CC Stop Vehicle Vehicle TooLo w....... 431
ç Suspended ................................... 425
: SwitchOf fLights.... ......................4 08
: SwitchOn Head lamp s<0011001100110011001100110011001100110011001100110011001100110011
00110011> 408
0049 Turn On theIgnit iontoRelease
th ePa rking Brak e..................................4 22
0072 Vehicle Ready toDrive Swi tch
th eIgnit ionOffBef oreEx iting ................4 10
00CC Vehicle Rising Please Wait............ 432
00CC Vehicle Rising ...............................4 32
0077 Warning Tire Malfunction. ............ 442
0077 Wheel Sensor(s) Missing .............. 441
Ac tiveBli nd Spo tAssi stCur rently
Un available SeeOper ator' sMan ual...... 428 47
2
Inde x

Ac
tiveBli nd Spo tAssi stInoper ative..... .4 29
Ac tiveBr ak eAssi stFunctio nsCur‐
re ntl yLim ited See Operator's Manua l...436
Ac tiveBr ak eAssi stFunctio nsLim i‐
te dSee Oper ator's Manual. ...................4 37
Ac tiveDis tance AssistCur rently
Un available SeeOper ator' sMan ual...... 425
Ac tiveDis tance AssistInoper ative..... ... 425
Ac tiveDis tance AssistNo wAv ailable.. ..425
Ac tiveLa ne Keeping AssistCamer a
Vi ew Restrict ed See Operator's Man‐
ua l... ..... .......... ...... ................................. 429
Ac tiveLa ne Keeping AssistCur rentl y
Un available SeeOper ator' sMan ual...... 429
Ac tiveLa ne Keeping AssistInopera‐
tiv e... ..................................................... 429
Ac tivePa rking Assistand
PA RK TRONI CInoper ative See Opera‐
to r's Manua l......... ................................. 433 Ac
tivePa rking AssistManeuv ering
Ass ista nce Restrict ed See Opera‐
to r's Manua l......... ................................. 432
Ac tiveSt eer ing Assis tCur rentl y
Un available DuetoMultiple Emer‐
ge ncy Stops... ........................................4 26
Ac tiveSt eer ing Assis tCur rentl y
Un available SeeOper ator' sMan ual...... 426
Ac tiveSt eer ing Assis tInoperativ e... ...... 426
Ad aptiveHig hbeam Assis tCamer a
Vi ew Restrict ed See Operator's Man‐
ua l... ...... ................................................ 409
Ad aptiveHig hbeam Assis tCur rently
Un available SeeOper ator' sMan ual...... 409
Ad aptiveHig hbeam Assis tIn oper ative.. 409
App lyBrak eto Shif tfr om 'P'<0011001100110011001100110011001100110011001100110011001100110011
00110011> 415
App lyBrak eto Shif tto 'R' ...................... 416
Au xiliary Batt eryMal functi on........ .........417
Begi nning Emergency Stop .................... 426 Blind
SpotAssis tCur rentl yUna vaila‐
ble See Opera tor's Manua l..... ............... 428
Blind SpotAssis tInoper ative..... ............428
Chec kTire Pressur eSoon. .................... 444
Chec kTire Pressur eThen Restar t
Ru nFla tIndi cator....... <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> ...444
Cr uise Control Inoper ative.. ...................4 24
Cr uise Control Off.. ...............................4 24
Decr ease Spe ed............ ........................ 443
Dr iver' sDoo rOp en &Trans miss ion
No tin PRisk ofVehicle Rolling Away..... 416
Fr ont Passeng erAirbag Disabled See
Oper ator's Manual.... ............................4 03
Fr ont Passeng erAirbag Enabled See
Oper ator's Manual.... ............................4 03
Hazard Warning Flashe rsMalfunc‐
tioning. .................................................. 410
Mer cedes meconn ectServices Limi‐
te dSee Oper ator's Manual. .................. 438 Inde
x47
3

Swi
tching theaut omatic searchon/
of f.......................................................... 257
Using automatic search<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> 257
Gaso line<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 393
Gea rshif tre comm endation......................1 43
Genui nepar ts....... ....................................... 21
Glide mode...... ........................................... 144 H
Handbr ake
see Electr icpar king brak e
Handlin gch aract eristics (unus ual)........ .357
HANDS -FREEACCESS .................................. 73
Hazar dwa rning light s...............................1 14
Hazar doussubstances
Inf ormation ............ .............................. .... 24
Head restra int
Fr ont (adjus tingmechanicall y)................ 90
Re ar (installin g/remo ving).......................9 1
Re ar passe nger com partment
(adj ustin g)...............................................9 1 Head-up
Display
Ad jus ting disp lay el eme nts(on-bo ard
com puter)....... ................................... ... 209
Ad jus ting thebr ightn ess(on-boar d
com puter).. ....................................... ....2 09
Fu nctio n...<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011>208
Menu (on-bo ardcom puter)....... .......... .. 209
Oper ating thememor yfunc tion.............. 99
Se tting theposition (on-boar dcom‐
put er)....................................................2 09
Switc hingon/of f.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011> 210
Headlam ps
see Automatic driving lights
Headlin er(car e)..... ....................................3 33
Heatin g
see Clima tecontr ol
Hel pcal l
see Mercede s-Benz emergency callsy stem
High beam
Ac tivati ng/d eactiv ating........... ..............113
High-be amflasher .....................................113
High-be amheadlam ps
Ad aptiveHig hbeam Assis t............... ...... 115 Hill
star tassi st<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> 160
HOLD functio n
Fu nctio n/no tes.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 159
Swi tching on/of f.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011> 159
Hood Opening/clo sing................................... 322
Ho tspo t
Se tting up(Wi-Fi)......... ..........................2 38 I
Iden tificati onplat e
Engine ...................................................390
Re frig er ant....... .....................................3 97
Ve hicle. .................................................3 90
Ign itio n
Switc hingon(Start/S topbutt on).......... 128
Ignit ionkey
see Smar tKey
Imm obiliz er..................................................8 3
Indi catorlam ps
see Warning/ indic ator lam ps
Individ ualdrive pr og ram
Con figur ing.. .......................................... 140 47
8
Inde x

Lam
p
see Inte rior lighting
Lam ps(Ins trument Display)
see Warning/ indic ator lam ps
Lane detection (automatic )
se eAc tiveLa ne Keeping Assist
Lane Keeping Assist
see ActiveLa ne Keeping Assist
Languag e
No tes... ............................................. ..... 240
Se tting <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
001100110011> 240
LA TC H-type (ISOFI X)child seat
anc hor
Ins talling. .................................................5 5
Le velcontr olsystem
see AIRMA TIC
Light switch
Ov ervie w................................................1 12
Light ing
see Inte rior lighting
see Lights
Lights AdaptiveHig hbeam Assis t............... ...... 115 Au
tomatic driving lights.... .....................1 13
Comb inationswit ch<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011001100110011> 113
Cor nering li<004A004B00570011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011001100110011> ...........115
Haza rdwa rning light s...................... ...... 114
High beam... ............ ..............................113
High -beamflasher .................................. 113
Light switch.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> 112
Lo w-beam headlam ps...................... ...... 112
Pa rking light s.................................... .....1 12
Re ar foglam p.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 112
Re sponsibili tyforlig hting systems ......... 112
Se tting theex terior lighting switch-
of fdela ytime .................................... ..... 116
Se tting thesur round lighting........... .......1 16
St andi nglight s................................. ...... 112
Tu rn signal light......................................1 13
Limit edWa rranty
Ve hicle. ............................................. ...... 29
Liv eTr af fic Inf orma tion
Dis playing subsc ript ion informatio n...... 264
Displ aying thetra ffic map .....................2 64
Dis play ing traffic inci dents <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011> 265
Ext endi ngasu bscr iption <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 264
Issu inghazar daler ts........ <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 266
Lo ad inde x(ti res)...................................... 372 Load
-bearing capacit y(tir es)... ................3 72
Load ing
Bag hook ...............................................1 05
Ca rgotie-do wnri<0051004A00560011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> ....105
Def initio ns............. ................................374
No tes... .................................................. 100
Ro oflugg agera ck <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011> 107
Load ingguid elines .................................... 100
Load inginforma tion table ........................ 365
Load s
Sec uring. ...............................................1 00
Lo cat orlighting
see Surround lighting
Loc king anextern al de vic e(c hild
saf etyloc k).. .............................................. 240
Loc king/u nlocking
Ac tivati ng/d eactiv ating theaut o‐
matic locking featur e............................... 68
Em erge ncy key.. ...................................... 69
KE YLE SS-GO. ...........................................6 7
Un loc kin g/op eningth edoor sfrom
th einside.. ............................................... 67 480
Index

see
Pets intheve hicle
see PRE-S AFE®
(anticipat oryoccu‐
pant protect ion)
see PRE-S AFE®
PL US (antic ipatory
occupant protect ion plus)
see Restra int system
see Seat belt
Oil see Engine oil
On-boar dcom puter
Displa yingtheser vice duedate............. 321
Hea d-upDisp lay <0050004800510058001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 209
Mu ltifuncti ondispl ay<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> 208
Ope rating ........... ...................... .............207
Ov ervie wof menu s................. ...............207
On -bo arddia gnostic sin te rface
see Diag nostics connection
Onl ine services
Dat ast or ag e... ......... ................................ 32
Open-sour cesof tware................................3 4
Opening thetrunk lidusing your foot
HANDS-FREE ACCES S.<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> 73Oper
ating fluids
Ad ditiv es(fuel). ................................ .....3 94
Br ak efluid ........................................ .....3 95
Coo lant (engi ne)..... ...............................396
Engine oil....... ........................................ 394
Fu el(gasoline) ................................. ...... 393
No tes... ............................................. ..... 391
Re frig er ant (airconditio ningsystem).. ...397
Wi ndsh ield wa sher fluid .................... .....3 97
Oper ating safety
Decl arati on ofconf ormity (wirel ess
ve hicle component s)... ..................... .......2 5
Inf ormation .......................................... .... 24
Oper ating system
see On-bo ardcom puter
Oper ator' sMan ual
Ve hicle equipment ........................... ........ 22
Oper ator's Manual (digital)........................ 20
Op timized acceleratio n
Ac tivati ng........... ................................. ..132
Ov erhead controlpanel
Ov ervie w... ....................................... .......1 4 P
Pa int code.. ................................................ 390
Pa intw ork(cleaning instructions) ...........3 30
Pa nic alar m
Ac tivati ng/d eactiv ating........... ................64
Pa nor ama roof wit hpo we rtil t/s lidin g
pane l
see Sliding sunroo f
Pa rk pos ition
Inser ting<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011> ...............142
Sel ecting automatical ly<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> 142
Pa rked Vehicl eLoc ator
Switc hingtransmis sionon/of f.............. 236
Pa rking
see Elec tric par kingbr ak e
Pa rking aid
see Parking AssistPA RK TRONI C
Pa rking Assis tPA RK TRONI C
Ac tivati ng........... ....................................197
Ad jus ting warning tones <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 198
Fu nctio n...<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011>194
Sid eim pa ct protect ion... ....................... 196
Swi tching off.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011> 197 48
4
Inde x

Ov
ervie w.. ..............................................3 15
Pa use and playbac kfun ction .................3 17
Re strictions <0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011> ...............314
Sel ecting acat ego ry<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 315
Sel ecting ach ann el......................... ...... 316
Se tting musicand sportaler ts...............3 16
Se tting thepar entalcon trol ... ................3 16
St or ing ach ann el................................... 316
Swi tching on<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> 314
SD card
Inser ting/ remo ving .............................. .3 01
Seat 4-waylumbar support.<0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011001100110011001100110011> 90
Ad jus ting (electr ica lly<000C001100110011001100110011001100110011001100110011001100110011
0011> .............89
Ad jus ting (mechanic allyand electri‐
call y)................................................. .......8 7
Bac kres t(r ea r)loc king <0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> .....104
Con figur ing these ttings. .........................9 2
Cor rect driver's seatpos iti<0052005100110011001100110011001100110011001100110011001100110011
0011001100110011> 86
Fo lding thebac kres t(r ear passeng er
com partmen t)bac k.<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011001100110011001100110011001100110011> 104
Fo lding thebac kres t(r ear) forw ards .....1 02
Fo lding thebac kres tfo rw ards/ back
(wit hmem oryfun ction )...........................9 2 Fo
lding thebac kres tfo rw ards/ back‐
wa rds(wit hout memor yfunction) ...... ...... 93
Oper ating thememor yfunc tion.............. 99
Re settin gth ese ttings... ........................... 92
Se tting option s.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011> 16
Seat belt
Car e.... ............................................. ..... 333
Fa stening.. ............................................... 40
Pr otect ion.......................................... ...... 37
Seat beltadjustment
Ac tivati ng/d eactiv ating........... ................41
Fu nctio n...<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011> <0011001100110011001100110011001100110011001100110011001100110011
001100110011001100110011>41
Seat beltextender ....................................... 40
Seat beltwarning
see Seat belts
Seat belts
Ac tivati ng/d eactiv ating seat belt
ad jus tment ........... ...................................41
Re duced protect ion.. ...............................3 8
Re leasing .................................................4 1
Sea tbel tad jus tment (function) ............... 41
Sea tbel tex tende r.<0011001100110011001100110011001100110011001100110011001100110011
0011001100110011001100110011001100110011001100110011001100110011
00110011> 40
Wa rning lam p................................... ........ 41
Seat cover(C are)...... ............ ............. ........333 Se
at hea ting
Ac tivati ng/d eactiv ating........... ................94
Seat ventilat ion
Ac tivati ng/d eactiv ating........... ................95
Se cond telephone
Conn ecting... .........................................2 75
Fe atur es................................................ 275
Selec tingage ar
see Changing gears
Select orleve r
see DIRECT SELECTleve r
Self-t est
Au tomatic front pass engerfront air‐
bag shut off..... .........................................4 7
Sensor s(car e)...........................................3 32
Ser vicece nter
see Qualified speci alistwo rkshop
Ser vice interva ldisp lay
see ASSYST PLUS
Ser vice station search
St artin gaut omat icsear ch<0011001100110011001100110011001100110011001100110011001100110011
00110011001100110011> 258
Se tting aspe ed
see Cruise contr ol 488
Index